//
//  VisitorView.swift
//  MQLWeibo
//
//  Created by MQL-IT on 2016/11/1.
//  Copyright © 2016年 MQL-IT. All rights reserved.
//

import UIKit
/// 访客视图
class VisitorView: UIView {
    /// 注册按钮
    lazy var registerButton: UIButton = UIButton.cz_textButton("注册",
                                                                           fontSize: 16,
                                                                           normalColor: UIColor.orange,
                                                                           highlightedColor: UIColor.black,
                                                                           backgroundImageName: "")
    /// 登录按钮
    lazy var loginButton: UIButton = UIButton.cz_textButton("登录",
                                                                        fontSize: 16,
                                                                        normalColor: UIColor.orange,
                                                                        highlightedColor: UIColor.black,
                                                                        backgroundImageName: "")
    /// 访客视图信息字典
    var visitorInfo: [String: String]? {
        didSet {
            //取字典信息
           guard let imageName = visitorInfo?["imageName"],
            let message = visitorInfo?["message"] else {
                return
            }
            //设置消息内容
            tipLabel.text = message
            if imageName == "" {
                startAnimation()
                return
            }
            //设置图像,首页不需要设置
            iconView.image = UIImage(named: imageName)
            coverView.isHidden = true
            houseView.isHidden = true
        }
    }

    override init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    /// 旋转图标动画
    private func startAnimation() {
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        
        anim.toValue = 2 * M_PI
        anim.repeatCount = MAXFLOAT
        anim.duration = 20
        // 动画完成不删除，如果 iconView 被释放，动画会一起销毁！
        // 在设置连续播放的动画非常有用！
        anim.isRemovedOnCompletion = false
        //添加动画到图层
        iconView.layer.add(anim, forKey: nil)
    }
    
    // MARK: - 私有控件
    /// 懒加载属性只有调用 UIKit 控件的指定构造函数,其它都需要使用类型;OC必需使用,都写上就行了
    /// 模糊图像
    fileprivate lazy var coverView: UIImageView = UIImageView(image: #imageLiteral(resourceName: "visitordiscover_feed_mask_smallicon"))
    /// 图像视图
    fileprivate lazy var iconView: UIImageView = UIImageView(image:  #imageLiteral(resourceName: "visitordiscover_feed_image_smallicon"))
    /// 小房子
    fileprivate lazy var houseView: UIImageView = UIImageView(image:  #imageLiteral(resourceName: "visitordiscover_feed_image_house"))
    /// 提示标签
    fileprivate lazy var tipLabel: UILabel = UILabel.cz_label(withText: "关注一些人,回这里看看有什么惊喜",
                                                              fontSize: 14,
                                                              color: UIColor.darkGray)
    
    

}

//MARK: - 设置界面
extension VisitorView {
    func setupUI() {
        /// 在开发中,如果能够使用颜色就不要使用图像,效率会更高;
        backgroundColor = UIColor.cz_color(withHex: 0xEDEDED)
        //1.添加控件
        addSubview(iconView)
        addSubview(coverView)
        addSubview(houseView)
        addSubview(tipLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        //文本
        tipLabel.textAlignment = .center
        
        
        //2.使用自动布局,取消autoresizing
        for v in subviews {
            v.translatesAutoresizingMaskIntoConstraints = false
        }
        
        //3.自动布局
        //1>图像视图
        
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .centerX, relatedBy: .equal, toItem: self, attribute: .centerX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .centerY, relatedBy: .equal, toItem: self, attribute: .centerY, multiplier: 1.0, constant: -60))
        
        
        
        //2> 小房子
        addConstraint(NSLayoutConstraint(item: houseView, attribute: .centerX, relatedBy: .equal, toItem: self, attribute: .centerX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: houseView, attribute: .centerY, relatedBy: .equal, toItem: self, attribute: .centerY, multiplier: 1.0, constant: -60))
        
        //3> 提示标签
        addConstraint(NSLayoutConstraint(item: tipLabel, attribute: .centerX, relatedBy: .equal, toItem: self, attribute: .centerX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: tipLabel, attribute: .centerY, relatedBy: .equal, toItem: self, attribute: .centerY, multiplier: 1.0, constant: 70))
        addConstraint(NSLayoutConstraint(item: tipLabel, attribute: .width, relatedBy: .equal, toItem: nil, attribute: .notAnAttribute, multiplier: 1.0, constant: 236))
        
        //4> 注册
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .centerX, relatedBy: .equal, toItem: self, attribute: .centerX, multiplier: 1.0, constant: -80))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .centerY, relatedBy: .equal, toItem: self, attribute: .centerY, multiplier: 1.0, constant: 120))
        
        //5> 登录
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: .centerX, relatedBy: .equal, toItem: self, attribute: .centerX, multiplier: 1.0, constant: 80))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: .centerY, relatedBy: .equal, toItem: self, attribute: .centerY, multiplier: 1.0, constant: 120))
        
        //6> 遮罩视图
        /// views 定义 VFL 中的控件名称和实际名称的映射关系
        /// metrics 定义VFL中 () 指定的常数的映射关系
        let viewDict = ["coverView": coverView,
                        "registerButton": registerButton] as [String : Any]
        let metricsDict = ["space": 20]
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "H:|-0-[coverView]-0-|",
            options: [],
            metrics: nil,
            views: viewDict))
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "V:|-0-[coverView]-(space)-[registerButton]",
            options: [],
            metrics: metricsDict,
            views: viewDict))
        
    }
}





